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Finding the Fourth Proportional to 66,672.21, 100,047.76 and 24,581.71

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Solution

The fourth proportional to 66,672.21, 100,047.76 and 24,581.71 is: 36,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,672.21 : 100,047.76 = 24,581.71 : x
  2. Step 2: Convert to fraction form
    66,672.21/100,047.76 = 24,581.71/x
  3. Step 3: Cross multiply
    66,672.21x = 100,047.76 × 24,581.71
  4. Step 4: Simplify right side
    66,672.21x = 2,459,345,086.08
  5. Step 5: Solve for x
    x = 2,459,345,086.08/66,672.21
  6. Step 6: Final answer
    x = 36,887.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.